14 letters · 26 points in Scrabble
noun control system that converts a small mechanical motion into one requiring much greater power; may include a negative feedback system
originEtymology tree Proto-Indo-European *ser-der.? Proto-Italic *serwos Latin servusder. English servo- Proto-Indo-European *megʰ-der.? Ancient Greek μηχᾰνή (mēkhănḗ)der. New Latin mechanismuslbor. English mechanism English servomechanism From servo- + mechanism.
Etymology from Wiktionary, CC BY-SA 3.0